They didn’t “manufacture” the plant - God or Nature did that, they just gave it somewhere it grow. But as the usual rules for “that’s why they call it ‘dope’” go, if you’re carrying around politically incorrect substances, don’t do things to call attention to yourself, like driving with your headlights off hoping nobody will notice you that way.

I’d seen the headline and expected a different kind of story; back when I was in college, somebody broke into my neighbor’s apartment and stole her TV and one of her two pot plants (presumably couldn’t carry both of them and the TV.) She had to hide the other plant in her car while she had the cops checking out the burglary.